Global Patent Index - EP 1431860 A3

EP 1431860 A3 20041027 - Information protection

Title (en)

Information protection

Title (de)

Informationen Schutz

Title (fr)

Protection de l'information

Publication

EP 1431860 A3 20041027 (EN)

Application

EP 03257625 A 20031203

Priority

JP 2002355117 A 20021206

Abstract (en)

[origin: EP1431860A2] Authentication information encrypted by using a predetermined encryption method is added to contents information. When executing or reproducing the contents information by using an information processing apparatus, a decision is made whether information encrypted by using the predetermined encryption method is contained in acquired information. When such information is not contained, the contents information is not reproduced, executed, or output. <IMAGE>

IPC 1-7

G06F 1/00; G11B 20/00

IPC 8 full level

G06F 12/14 (2006.01); G06F 21/10 (2013.01); G06F 21/60 (2013.01); G06F 21/62 (2013.01); G11B 20/00 (2006.01); G11B 20/10 (2006.01); H04L 9/32 (2006.01); H04L 9/36 (2006.01); H04N 5/913 (2006.01); H04N 7/24 (2006.01); H04N 21/254 (2011.01); H04N 21/432 (2011.01); H04N 21/454 (2011.01); H04N 21/4627 (2011.01); H04N 21/835 (2011.01)

CPC (source: EP US)

G06F 21/10 (2013.01 - EP US); G06F 21/16 (2013.01 - EP); G11B 20/00086 (2013.01 - EP US); G11B 20/0021 (2013.01 - EP US); G11B 20/00246 (2013.01 - EP US); G11B 20/00304 (2013.01 - EP US); G11B 20/00333 (2013.01 - EP US); G11B 20/00449 (2013.01 - EP US); G11B 20/00514 (2013.01 - EP US); G11B 20/00528 (2013.01 - EP US); G11B 20/0084 (2013.01 - EP US); H04N 5/913 (2013.01 - EP US); H04N 21/2541 (2013.01 - EP US); H04N 21/4325 (2013.01 - EP US); H04N 21/4542 (2013.01 - EP US); H04N 21/4627 (2013.01 - EP US); H04N 21/835 (2013.01 - EP US); G06F 21/16 (2013.01 - US); H04N 2005/91342 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1431860 A2 20040623; EP 1431860 A3 20041027; JP 2004185782 A 20040702; US 2004114759 A1 20040617

DOCDB simple family (application)

EP 03257625 A 20031203; JP 2002355117 A 20021206; US 72765703 A 20031205